Avocets and marbled godwits peeped and chirped as they hunted for breakfast along the shore. Out on the water, tinted orange ...

A near-complete census of our interstellar neighborhood hopes to answer how stars, brown dwarfs and rogue planets form ...

Clear, sunny skies could be rare this summer, as smoke from Canadian wildfires flows into the Northeast, according to ...

Leo sees action as both Mars and Comet Schwassmann-Wachmann 1 move through; plus, spot galaxies and noctilucent clouds in the sky this week.

Simultaneously cooling Pluto while energizing atmospheric molecules to allow them to escape into space, Pluto's haze plays a key role in the planet's energy balance.